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Natali [406]
3 years ago
9

NO LINKS OR FILES JUST THE CORRECT ANSWER

Mathematics
1 answer:
Dima020 [189]3 years ago
7 0

Answer:a

Step-by-step explanation:

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Evaluate (3.4 x 10^)(4.5 x 103). Write your<br> answer in scientific notation.
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Answer:

153*10^3

Step-by-step explanation:

I assumed the first exponential number as 1

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For questions 2-3 what is each number when written in scientific notation
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1.22 \times 10 ^{9}  \\ 2.87 \times 10 ^{ - 2}
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What fraction of 1/2 is 1/3? Draw a tape diagram to represent and answer the question.Please help with this 6th grade math quest
TEA [102]

STEP-BY-STEP EXPLANATION:

Given information:

Let x be the number

Mathematically, the statement can be translated below as

\begin{gathered} x\text{ }\times\frac{1}{2}\text{ = }\frac{1}{3} \\ \frac{x}{2}\text{ = }\frac{1}{3} \\ \text{Cross multiply} \\ 3\times x\text{ = 2}\times1 \\ 3x\text{ = 2} \\ \text{Divide both sides by 3} \\ \frac{3x}{3}\text{ = }\frac{2}{3} \\ x\text{ = }\frac{2}{3} \end{gathered}

The next step is to represent it on a tape diagram

7 0
1 year ago
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Please help!! You want to distribute 7 candies to 4 kids. If every kid must receive at least one candy, in how many ways can you
Andrei [34K]

Answer: 20ways

Step-by-step explanation:

Number of candies = 7

Number of kids = 4

Since each kid must receive at least one candy ;

Therefore number of candies left to ration is

7 - 4 = 3 candies ; among 4 kids.

To share 'n' identical object among 'r' number of individuals can be expressed in the form :

[n+(r-1)Cr-1]

n = 3 ; r = 4

[3+(4-1)C4-1] = 6C3

Recall: nCr = n! / (n-r)!r!

6C3 = 6!/(6-3)!3!

6C3 = 6!/3!3!

= (6 * 5 * 4) / (3 * 2 * 1)

= 120 / 6

= 20ways

4 0
3 years ago
P(x)equals=​R(x)minus−​C(x). Given ​R(x)equals=59 x minus 0.3 x squared59x−0.3x2 and Upper C left parenthesis x right parenthesi
Deffense [45]

Answer:

P(x)=-0.3x^2+56x-14  

Step-by-step explanation:

The given functions are

R(x)=59x-0.3x^2

C(x)=3x+14

It is given that

P(x)=R(x)-C(x)

Substitute the values of given functions in the above equation.

P(x)=59x-0.3x^2-(3x+14)

P(x)=59x-0.3x^2-3x-14

Combine like terms.

P(x)=-0.3x^2+(59x-3x)-14

P(x)=-0.3x^2+56x-14  

Therefore, the required function is P(x)=-0.3x^2+56x-14   .

4 0
3 years ago
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